#ifndef panda__glxext_h_
#define panda__glxext_h_

#ifdef __cplusplus
extern "C" {
#endif

/*
** License Applicability. Except to the extent portions of this file are
** made subject to an alternative license as permitted in the SGI Free
** Software License B, Version 1.1 (the "License"), the contents of this
** file are subject only to the provisions of the License. You may not use
** this file except in compliance with the License. You may obtain a copy
** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
** 
** http://oss.sgi.com/projects/FreeB
** 
** Note that, as provided in the License, the Software is distributed on an
** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
** 
** Original Code. The Original Code is: OpenGL Sample Implementation,
** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
** Inc. The Original Code is Copyright (c) 1991-2002 Silicon Graphics, Inc.
** Copyright in any portions created by third parties is as indicated
** elsewhere herein. All Rights Reserved.
** 
** Additional Notice Provisions: This software was created using the
** OpenGL(R) version 1.2.1 Sample Implementation published by SGI, but has
** not been independently verified as being compliant with the OpenGL(R)
** version 1.2.1 Specification.
*/

#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif

#ifndef APIENTRY
#define APIENTRY
#endif
#ifndef APIENTRYP
#define APIENTRYP APIENTRY *
#endif
#ifndef GLAPI
#define GLAPI extern
#endif

/*************************************************************/

/* Header file version number, required by OpenGL ABI for Linux */
/* glxext.h last updated 2002/03/22 */
/* Current version at http://oss.sgi.com/projects/ogl-sample/registry/ */
#define GLX_GLXEXT_VERSION 5

#ifndef GLX_VERSION_1_3
#define GLX_WINDOW_BIT                     0x00000001
#define GLX_PIXMAP_BIT                     0x00000002
#define GLX_PBUFFER_BIT                    0x00000004
#define GLX_RGBA_BIT                       0x00000001
#define GLX_COLOR_INDEX_BIT                0x00000002
#define GLX_PBUFFER_CLOBBER_MASK           0x08000000
#define GLX_FRONT_LEFT_BUFFER_BIT          0x00000001
#define GLX_FRONT_RIGHT_BUFFER_BIT         0x00000002
#define GLX_BACK_LEFT_BUFFER_BIT           0x00000004
#define GLX_BACK_RIGHT_BUFFER_BIT          0x00000008
#define GLX_AUX_BUFFERS_BIT                0x00000010
#define GLX_DEPTH_BUFFER_BIT               0x00000020
#define GLX_STENCIL_BUFFER_BIT             0x00000040
#define GLX_ACCUM_BUFFER_BIT               0x00000080
#define GLX_CONFIG_CAVEAT                  0x20
#define GLX_X_VISUAL_TYPE                  0x22
#define GLX_TRANSPARENT_TYPE               0x23
#define GLX_TRANSPARENT_INDEX_VALUE        0x24
#define GLX_TRANSPARENT_RED_VALUE          0x25
#define GLX_TRANSPARENT_GREEN_VALUE        0x26
#define GLX_TRANSPARENT_BLUE_VALUE         0x27
#define GLX_TRANSPARENT_ALPHA_VALUE        0x28
#define GLX_DONT_CARE                      0xFFFFFFFF
#define GLX_NONE                           0x8000
#define GLX_SLOW_CONFIG                    0x8001
#define GLX_TRUE_COLOR                     0x8002
#define GLX_DIRECT_COLOR                   0x8003
#define GLX_PSEUDO_COLOR                   0x8004
#define GLX_STATIC_COLOR                   0x8005
#define GLX_GRAY_SCALE                     0x8006
#define GLX_STATIC_GRAY                    0x8007
#define GLX_TRANSPARENT_RGB                0x8008
#define GLX_TRANSPARENT_INDEX              0x8009
#define GLX_VISUAL_ID                      0x800B
#define GLX_SCREEN                         0x800C
#define GLX_NON_CONFORMANT_CONFIG          0x800D
#define GLX_DRAWABLE_TYPE                  0x8010
#define GLX_RENDER_TYPE                    0x8011
#define GLX_X_RENDERABLE                   0x8012
#define GLX_FBCONFIG_ID                    0x8013
#define GLX_RGBA_TYPE                      0x8014
#define GLX_COLOR_INDEX_TYPE               0x8015
#define GLX_MAX_PBUFFER_WIDTH              0x8016
#define GLX_MAX_PBUFFER_HEIGHT             0x8017
#define GLX_MAX_PBUFFER_PIXELS             0x8018
#define GLX_PRESERVED_CONTENTS             0x801B
#define GLX_LARGEST_PBUFFER                0x801C
#define GLX_WIDTH                          0x801D
#define GLX_HEIGHT                         0x801E
#define GLX_EVENT_MASK                     0x801F
#define GLX_DAMAGED                        0x8020
#define GLX_SAVED                          0x8021
#define GLX_WINDOW                         0x8022
#define GLX_PBUFFER                        0x8023
#define GLX_PBUFFER_HEIGHT                 0x8040
#define GLX_PBUFFER_WIDTH                  0x8041
#endif

#ifndef GLX_VERSION_1_4
#define GLX_SAMPLE_BUFFERS                 100000
#define GLX_SAMPLES                        100001
#endif

/* drose: the version of GL/glx.h that ships with Fedora Core 2 seems
   to define GLX_VERSION_1_4, but for some reason does not define
   GLX_SAMPLE_BUFFERS or GLX_SAMPLES.  We work around that here. */
#ifndef GLX_SAMPLE_BUFFERS
#define GLX_SAMPLE_BUFFERS                 100000
#endif
#ifndef GLX_SAMPLES
#define GLX_SAMPLES                        100001
#endif

#ifndef GLX_ARB_get_proc_address
#endif

#ifndef GLX_ARB_multisample
#define GLX_SAMPLE_BUFFERS_ARB             100000
#define GLX_SAMPLES_ARB                    100001
#endif

#ifndef GLX_SGIS_multisample
#define GLX_SAMPLE_BUFFERS_SGIS            100000
#define GLX_SAMPLES_SGIS                   100001
#endif

#ifndef GLX_EXT_visual_info
#define GLX_X_VISUAL_TYPE_EXT              0x22
#define GLX_TRANSPARENT_TYPE_EXT           0x23
#define GLX_TRANSPARENT_INDEX_VALUE_EXT    0x24
#define GLX_TRANSPARENT_RED_VALUE_EXT      0x25
#define GLX_TRANSPARENT_GREEN_VALUE_EXT    0x26
#define GLX_TRANSPARENT_BLUE_VALUE_EXT     0x27
#define GLX_TRANSPARENT_ALPHA_VALUE_EXT    0x28
#define GLX_NONE_EXT                       0x8000
#define GLX_TRUE_COLOR_EXT                 0x8002
#define GLX_DIRECT_COLOR_EXT               0x8003
#define GLX_PSEUDO_COLOR_EXT               0x8004
#define GLX_STATIC_COLOR_EXT               0x8005
#define GLX_GRAY_SCALE_EXT                 0x8006
#define GLX_STATIC_GRAY_EXT                0x8007
#define GLX_TRANSPARENT_RGB_EXT            0x8008
#define GLX_TRANSPARENT_INDEX_EXT          0x8009
#endif

#ifndef GLX_SGI_swap_control
#endif

#ifndef GLX_SGI_video_sync
#endif

#ifndef GLX_SGI_make_current_read
#endif

#ifndef GLX_SGIX_video_source
#endif

#ifndef GLX_EXT_visual_rating
#define GLX_VISUAL_CAVEAT_EXT              0x20
#define GLX_SLOW_VISUAL_EXT                0x8001
#define GLX_NON_CONFORMANT_VISUAL_EXT      0x800D
/* reuse GLX_NONE_EXT */
#endif

#ifndef GLX_EXT_import_context
#define GLX_SHARE_CONTEXT_EXT              0x800A
#define GLX_VISUAL_ID_EXT                  0x800B
#define GLX_SCREEN_EXT                     0x800C
#endif

#ifndef GLX_SGIX_fbconfig
#define GLX_WINDOW_BIT_SGIX                0x00000001
#define GLX_PIXMAP_BIT_SGIX                0x00000002
#define GLX_RGBA_BIT_SGIX                  0x00000001
#define GLX_COLOR_INDEX_BIT_SGIX           0x00000002
#define GLX_DRAWABLE_TYPE_SGIX             0x8010
#define GLX_RENDER_TYPE_SGIX               0x8011
#define GLX_X_RENDERABLE_SGIX              0x8012
#define GLX_FBCONFIG_ID_SGIX               0x8013
#define GLX_RGBA_TYPE_SGIX                 0x8014
#define GLX_COLOR_INDEX_TYPE_SGIX          0x8015
/* reuse GLX_SCREEN_EXT */
#endif

#ifndef GLX_SGIX_pbuffer
#define GLX_PBUFFER_BIT_SGIX               0x00000004
#define GLX_BUFFER_CLOBBER_MASK_SGIX       0x08000000
#define GLX_FRONT_LEFT_BUFFER_BIT_SGIX     0x00000001
#define GLX_FRONT_RIGHT_BUFFER_BIT_SGIX    0x00000002
#define GLX_BACK_LEFT_BUFFER_BIT_SGIX      0x00000004
#define GLX_BACK_RIGHT_BUFFER_BIT_SGIX     0x00000008
#define GLX_AUX_BUFFERS_BIT_SGIX           0x00000010
#define GLX_DEPTH_BUFFER_BIT_SGIX          0x00000020
#define GLX_STENCIL_BUFFER_BIT_SGIX        0x00000040
#define GLX_ACCUM_BUFFER_BIT_SGIX          0x00000080
#define GLX_SAMPLE_BUFFERS_BIT_SGIX        0x00000100
#define GLX_MAX_PBUFFER_WIDTH_SGIX         0x8016
#define GLX_MAX_PBUFFER_HEIGHT_SGIX        0x8017
#define GLX_MAX_PBUFFER_PIXELS_SGIX        0x8018
#define GLX_OPTIMAL_PBUFFER_WIDTH_SGIX     0x8019
#define GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX    0x801A
#define GLX_PRESERVED_CONTENTS_SGIX        0x801B
#define GLX_LARGEST_PBUFFER_SGIX           0x801C
#define GLX_WIDTH_SGIX                     0x801D
#define GLX_HEIGHT_SGIX                    0x801E
#define GLX_EVENT_MASK_SGIX                0x801F
#define GLX_DAMAGED_SGIX                   0x8020
#define GLX_SAVED_SGIX                     0x8021
#define GLX_WINDOW_SGIX                    0x8022
#define GLX_PBUFFER_SGIX                   0x8023
#endif

#ifndef GLX_SGI_cushion
#endif

#ifndef GLX_SGIX_video_resize
#define GLX_SYNC_FRAME_SGIX                0x00000000
#define GLX_SYNC_SWAP_SGIX                 0x00000001
#endif

#ifndef GLX_SGIX_dmbuffer
#define GLX_DIGITAL_MEDIA_PBUFFER_SGIX     0x8024
#endif

#ifndef GLX_SGIX_swap_group
#endif

#ifndef GLX_SGIX_swap_barrier
#endif

#ifndef GLX_SGIS_blended_overlay
#define GLX_BLENDED_RGBA_SGIS              0x8025
#endif

#ifndef GLX_SGIS_shared_multisample
#define GLX_MULTISAMPLE_SUB_RECT_WIDTH_SGIS 0x8026
#define GLX_MULTISAMPLE_SUB_RECT_HEIGHT_SGIS 0x8027
#endif

#ifndef GLX_SUN_get_transparent_index
#endif

#ifndef GLX_3DFX_multisample
#define GLX_SAMPLE_BUFFERS_3DFX            0x8050
#define GLX_SAMPLES_3DFX                   0x8051
#endif

#ifndef GLX_MESA_copy_sub_buffer
#endif

#ifndef GLX_MESA_pixmap_colormap
#endif

#ifndef GLX_MESA_release_buffers
#endif

#ifndef GLX_MESA_set_3dfx_mode
#define GLX_3DFX_WINDOW_MODE_MESA          0x1
#define GLX_3DFX_FULLSCREEN_MODE_MESA      0x2
#endif

#ifndef GLX_SGIX_visual_select_group
#define GLX_VISUAL_SELECT_GROUP_SGIX       0x8028
#endif

#ifndef GLX_OML_swap_method
#define GLX_SWAP_METHOD_OML                0x8060
#define GLX_SWAP_EXCHANGE_OML              0x8061
#define GLX_SWAP_COPY_OML                  0x8062
#define GLX_SWAP_UNDEFINED_OML             0x8063
#endif

#ifndef GLX_OML_sync_control
#endif


/*************************************************************/

/* drose: glxext.h seems to have an error in that it assumes
   __GLXextFuncPtr will be typedeffed if GLX_ARB_get_proc_address is
   defined, which does not seem to be the case (at least it is not so
   on my redhat 8.0 box).  So we work around this by typedeffing it
   explicitly; and we use #define in case it is already typedeffed. */
#define __GLXextFuncPtr panda__GLXextFuncPtr
typedef void (*__GLXextFuncPtr)();

  /*
#ifndef GLX_ARB_get_proc_address
typedef void (*__GLXextFuncPtr)();
#endif
  */

#ifndef GLX_SGIX_video_source
typedef XID GLXVideoSourceSGIX;
#endif

#ifndef GLX_SGIX_fbconfig
typedef XID GLXFBConfigIDSGIX;
typedef struct __GLXFBConfigRec *GLXFBConfigSGIX;
#endif

#ifndef GLX_SGIX_pbuffer
typedef XID GLXPbufferSGIX;
typedef struct {
    int type;
    unsigned long serial;         /* # of last request processed by server */
    Bool send_event;              /* true if this came for SendEvent request */
    X11_Display *display;             /* display the event was read from */
    GLXDrawable drawable;         /* i.d. of Drawable */
    int event_type;               /* GLX_DAMAGED_SGIX or GLX_SAVED_SGIX */
    int draw_type;                /* GLX_WINDOW_SGIX or GLX_PBUFFER_SGIX */
    unsigned int mask;    /* mask indicating which buffers are affected*/
    int x, y;
    int width, height;
    int count;            /* if nonzero, at least this many more */
} GLXBufferClobberEventSGIX;
#endif

#ifndef GLX_VERSION_1_3
#define GLX_VERSION_1_3 1
  /* drose: If the system glx.h isn't at least version 1.3, it won't
     have defined these types, so we need to do so here in order for
     the following to compile. */
typedef struct __GLXFBConfigRec *GLXFBConfig;    
typedef XID GLXPbuffer;
typedef XID GLXWindow;

#ifdef GLX_GLXEXT_PROTOTYPES
extern GLXFBConfig * glXGetFBConfigs (X11_Display *, int, int *);
extern GLXFBConfig * glXChooseFBConfig (X11_Display *, int, const int *, int *);
extern int glXGetFBConfigAttrib (X11_Display *, GLXFBConfig, int, int *);
extern XVisualInfo * glXGetVisualFromFBConfig (X11_Display *, GLXFBConfig);
extern GLXWindow glXCreateWindow (X11_Display *, GLXFBConfig, X11_Window, const int *);
extern void glXDestroyWindow (X11_Display *, GLXWindow);
extern GLXPixmap glXCreatePixmap (X11_Display *, GLXFBConfig, Pixmap, const int *);
extern void glXDestroyPixmap (X11_Display *, GLXPixmap);
extern GLXPbuffer glXCreatePbuffer (X11_Display *, GLXFBConfig, const int *);
extern void glXDestroyPbuffer (X11_Display *, GLXPbuffer);
extern void glXQueryDrawable (X11_Display *, GLXDrawable, int, unsigned int *);
extern GLXContext glXCreateNewContext (X11_Display *, GLXFBConfig, int, GLXContext, Bool);
extern Bool glXMakeContextCurrent (X11_Display *, GLXDrawable, GLXDrawable, GLXContext);
extern GLXDrawable glXGetCurrentReadDrawable ();
extern X11_Display * glXGetCurrentDisplay ();
extern int glXQueryContext (X11_Display *, GLXContext, int, int *);
extern void glXSelectEvent (X11_Display *, GLXDrawable, unsigned long);
extern void glXGetSelectedEvent (X11_Display *, GLXDrawable, unsigned long *);
#endif /* GLX_GLXEXT_PROTOTYPES */
  /* drose: all of the following PFN... typedefs seemed to be
     incorrect.  I put a * just inside the leading parenthesis. */
typedef GLXFBConfig * (* PFNGLXGETFBCONFIGSPROC) (X11_Display *dpy, int screen, int *nelements);
typedef GLXFBConfig * (* PFNGLXCHOOSEFBCONFIGPROC) (X11_Display *dpy, int screen, const int *attrib_list, int *nelements);
typedef int (* PFNGLXGETFBCONFIGATTRIBPROC) (X11_Display *dpy, GLXFBConfig config, int attribute, int *value);
typedef XVisualInfo * (* PFNGLXGETVISUALFROMFBCONFIGPROC) (X11_Display *dpy, GLXFBConfig config);
typedef GLXWindow (* PFNGLXCREATEWINDOWPROC) (X11_Display *dpy, GLXFBConfig config, X11_Window win, const int *attrib_list);
typedef void (* PFNGLXDESTROYWINDOWPROC) (X11_Display *dpy, GLXWindow win);
typedef GLXPixmap (* PFNGLXCREATEPIXMAPPROC) (X11_Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attrib_list);
typedef void (* PFNGLXDESTROYPIXMAPPROC) (X11_Display *dpy, GLXPixmap pixmap);
typedef GLXPbuffer (* PFNGLXCREATEPBUFFERPROC) (X11_Display *dpy, GLXFBConfig config, const int *attrib_list);
typedef void (* PFNGLXDESTROYPBUFFERPROC) (X11_Display *dpy, GLXPbuffer pbuf);
typedef void (* PFNGLXQUERYDRAWABLEPROC) (X11_Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
typedef GLXContext (* PFNGLXCREATENEWCONTEXTPROC) (X11_Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct);
typedef Bool (* PFNGLXMAKECONTEXTCURRENTPROC) (X11_Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
typedef GLXDrawable (* PFNGLXGETCURRENTREADDRAWABLEPROC) ();
typedef X11_Display * (* PFNGLXGETCURRENTDISPLAYPROC) ();
typedef int (* PFNGLXQUERYCONTEXTPROC) (X11_Display *dpy, GLXContext ctx, int attribute, int *value);
typedef void (* PFNGLXSELECTEVENTPROC) (X11_Display *dpy, GLXDrawable draw, unsigned long event_mask);
typedef void (* PFNGLXGETSELECTEDEVENTPROC) (X11_Display *dpy, GLXDrawable draw, unsigned long *event_mask);
#endif

#ifndef GLX_VERSION_1_4
#define GLX_VERSION_1_4 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern __GLXextFuncPtr glXGetProcAddress (const GLubyte *);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef __GLXextFuncPtr (* PFNGLXGETPROCADDRESSPROC) (const GLubyte *procName);
#endif

#ifndef GLX_ARB_get_proc_address
#define GLX_ARB_get_proc_address 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern __GLXextFuncPtr glXGetProcAddressARB (const GLubyte *);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef __GLXextFuncPtr (* PFNGLXGETPROCADDRESSARBPROC) (const GLubyte *procName);
#endif

#ifndef GLX_ARB_multisample
#define GLX_ARB_multisample 1
#endif

#ifndef GLX_SGIS_multisample
#define GLX_SGIS_multisample 1
#endif

#ifndef GLX_EXT_visual_info
#define GLX_EXT_visual_info 1
#endif

#ifndef GLX_SGI_swap_control
#define GLX_SGI_swap_control 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern int glXSwapIntervalSGI (int);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef int (* PFNGLXSWAPINTERVALSGIPROC) (int interval);
#endif

#ifndef GLX_SGI_video_sync
#define GLX_SGI_video_sync 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern int glXGetVideoSyncSGI (unsigned int *);
extern int glXWaitVideoSyncSGI (int, int, unsigned int *);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef int (* PFNGLXGETVIDEOSYNCSGIPROC) (unsigned int *count);
typedef int (* PFNGLXWAITVIDEOSYNCSGIPROC) (int divisor, int remainder, unsigned int *count);
#endif

#ifndef GLX_SGI_make_current_read
#define GLX_SGI_make_current_read 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern Bool glXMakeCurrentReadSGI (X11_Display *, GLXDrawable, GLXDrawable, GLXContext);
extern GLXDrawable glXGetCurrentReadDrawableSGI ();
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef Bool (* PFNGLXMAKECURRENTREADSGIPROC) (X11_Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
typedef GLXDrawable (* PFNGLXGETCURRENTREADDRAWABLESGIPROC) ();
#endif

#ifndef GLX_SGIX_video_source
#define GLX_SGIX_video_source 1
#ifdef _VL_H
#ifdef GLX_GLXEXT_PROTOTYPES
extern GLXVideoSourceSGIX glXCreateGLXVideoSourceSGIX (X11_Display *, int, VLServer, VLPath, int, VLNode);
extern void glXDestroyGLXVideoSourceSGIX (X11_Display *, GLXVideoSourceSGIX);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef GLXVideoSourceSGIX (* PFNGLXCREATEGLXVIDEOSOURCESGIXPROC) (X11_Display *display, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode);
typedef void (* PFNGLXDESTROYGLXVIDEOSOURCESGIXPROC) (X11_Display *dpy, GLXVideoSourceSGIX glxvideosource);
#endif

#endif /* _VL_H */
#ifndef GLX_EXT_visual_rating
#define GLX_EXT_visual_rating 1
#endif

#ifndef GLX_EXT_import_context
#define GLX_EXT_import_context 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern X11_Display * glXGetCurrentDisplayEXT ();
extern int glXQueryContextInfoEXT (X11_Display *, GLXContext, int, int *);
extern GLXContextID glXGetContextIDEXT (const GLXContext);
extern GLXContext glXImportContextEXT (X11_Display *, GLXContextID);
extern void glXFreeContextEXT (X11_Display *, GLXContext);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef X11_Display * (* PFNGLXGETCURRENTDISPLAYEXTPROC) ();
typedef int (* PFNGLXQUERYCONTEXTINFOEXTPROC) (X11_Display *dpy, GLXContext context, int attribute, int *value);
typedef GLXContextID (* PFNGLXGETCONTEXTIDEXTPROC) (const GLXContext context);
typedef GLXContext (* PFNGLXIMPORTCONTEXTEXTPROC) (X11_Display *dpy, GLXContextID contextID);
typedef void (* PFNGLXFREECONTEXTEXTPROC) (X11_Display *dpy, GLXContext context);
#endif

#ifndef GLX_SGIX_fbconfig
#define GLX_SGIX_fbconfig 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern int glXGetFBConfigAttribSGIX (X11_Display *, GLXFBConfigSGIX, int, int *);
extern GLXFBConfigSGIX * glXChooseFBConfigSGIX (X11_Display *, int, int *, int *);
extern GLXPixmap glXCreateGLXPixmapWithConfigSGIX (X11_Display *, GLXFBConfigSGIX, Pixmap);
extern GLXContext glXCreateContextWithConfigSGIX (X11_Display *, GLXFBConfigSGIX, int, GLXContext, Bool);
extern XVisualInfo * glXGetVisualFromFBConfigSGIX (X11_Display *, GLXFBConfigSGIX);
extern GLXFBConfigSGIX glXGetFBConfigFromVisualSGIX (X11_Display *, XVisualInfo *);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef int (* PFNGLXGETFBCONFIGATTRIBSGIXPROC) (X11_Display *dpy, GLXFBConfigSGIX config, int attribute, int *value);
typedef GLXFBConfigSGIX * (* PFNGLXCHOOSEFBCONFIGSGIXPROC) (X11_Display *dpy, int screen, int *attrib_list, int *nelements);
typedef GLXPixmap (* PFNGLXCREATEGLXPIXMAPWITHCONFIGSGIXPROC) (X11_Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap);
typedef GLXContext (* PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) (X11_Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct);
typedef XVisualInfo * (* PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) (X11_Display *dpy, GLXFBConfigSGIX config);
typedef GLXFBConfigSGIX (* PFNGLXGETFBCONFIGFROMVISUALSGIXPROC) (X11_Display *dpy, XVisualInfo *vis);
#endif

#ifndef GLX_SGIX_pbuffer
#define GLX_SGIX_pbuffer 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern GLXPbufferSGIX glXCreateGLXPbufferSGIX (X11_Display *, GLXFBConfigSGIX, unsigned int, unsigned int, int *);
extern void glXDestroyGLXPbufferSGIX (X11_Display *, GLXPbufferSGIX);
extern int glXQueryGLXPbufferSGIX (X11_Display *, GLXPbufferSGIX, int, unsigned int *);
extern void glXSelectEventSGIX (X11_Display *, GLXDrawable, unsigned long);
extern void glXGetSelectedEventSGIX (X11_Display *, GLXDrawable, unsigned long *);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef GLXPbufferSGIX (* PFNGLXCREATEGLXPBUFFERSGIXPROC) (X11_Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list);
typedef void (* PFNGLXDESTROYGLXPBUFFERSGIXPROC) (X11_Display *dpy, GLXPbufferSGIX pbuf);
typedef int (* PFNGLXQUERYGLXPBUFFERSGIXPROC) (X11_Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value);
typedef void (* PFNGLXSELECTEVENTSGIXPROC) (X11_Display *dpy, GLXDrawable drawable, unsigned long mask);
typedef void (* PFNGLXGETSELECTEDEVENTSGIXPROC) (X11_Display *dpy, GLXDrawable drawable, unsigned long *mask);
#endif

#ifndef GLX_SGI_cushion
#define GLX_SGI_cushion 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern void glXCushionSGI (X11_Display *, X11_Window, float);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef void (* PFNGLXCUSHIONSGIPROC) (X11_Display *dpy, X11_Window window, float cushion);
#endif

#ifndef GLX_SGIX_video_resize
#define GLX_SGIX_video_resize 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern int glXBindChannelToWindowSGIX (X11_Display *, int, int, X11_Window);
extern int glXChannelRectSGIX (X11_Display *, int, int, int, int, int, int);
extern int glXQueryChannelRectSGIX (X11_Display *, int, int, int *, int *, int *, int *);
extern int glXQueryChannelDeltasSGIX (X11_Display *, int, int, int *, int *, int *, int *);
extern int glXChannelRectSyncSGIX (X11_Display *, int, int, GLenum);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef int (* PFNGLXBINDCHANNELTOWINDOWSGIXPROC) (X11_Display *display, int screen, int channel, X11_Window window);
typedef int (* PFNGLXCHANNELRECTSGIXPROC) (X11_Display *display, int screen, int channel, int x, int y, int w, int h);
typedef int (* PFNGLXQUERYCHANNELRECTSGIXPROC) (X11_Display *display, int screen, int channel, int *dx, int *dy, int *dw, int *dh);
typedef int (* PFNGLXQUERYCHANNELDELTASSGIXPROC) (X11_Display *display, int screen, int channel, int *x, int *y, int *w, int *h);
typedef int (* PFNGLXCHANNELRECTSYNCSGIXPROC) (X11_Display *display, int screen, int channel, GLenum synctype);
#endif

#ifndef GLX_SGIX_dmbuffer
#define GLX_SGIX_dmbuffer 1
#ifdef _DM_BUFFER_H_
#ifdef GLX_GLXEXT_PROTOTYPES
extern Bool glXAssociateDMPbufferSGIX (X11_Display *, GLXPbufferSGIX, DMparams *, DMbuffer);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef Bool (* PFNGLXASSOCIATEDMPBUFFERSGIXPROC) (X11_Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer);
#endif

#endif /* _DM_BUFFER_H_ */
#ifndef GLX_SGIX_swap_group
#define GLX_SGIX_swap_group 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern void glXJoinSwapGroupSGIX (X11_Display *, GLXDrawable, GLXDrawable);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef void (* PFNGLXJOINSWAPGROUPSGIXPROC) (X11_Display *dpy, GLXDrawable drawable, GLXDrawable member);
#endif

#ifndef GLX_SGIX_swap_barrier
#define GLX_SGIX_swap_barrier 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern void glXBindSwapBarrierSGIX (X11_Display *, GLXDrawable, int);
extern Bool glXQueryMaxSwapBarriersSGIX (X11_Display *, int, int *);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef void (* PFNGLXBINDSWAPBARRIERSGIXPROC) (X11_Display *dpy, GLXDrawable drawable, int barrier);
typedef Bool (* PFNGLXQUERYMAXSWAPBARRIERSSGIXPROC) (X11_Display *dpy, int screen, int *max);
#endif

#ifndef GLX_SUN_get_transparent_index
#define GLX_SUN_get_transparent_index 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern Status glXGetTransparentIndexSUN (X11_Display *, X11_Window, X11_Window, long *);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef Status (* PFNGLXGETTRANSPARENTINDEXSUNPROC) (X11_Display *dpy, X11_Window overlay, X11_Window underlay, long *pTransparentIndex);
#endif

#ifndef GLX_MESA_copy_sub_buffer
#define GLX_MESA_copy_sub_buffer 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern void glXCopySubBufferMESA (X11_Display *, GLXDrawable, int, int, int, int);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef void (* PFNGLXCOPYSUBBUFFERMESAPROC) (X11_Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
#endif

#ifndef GLX_MESA_pixmap_colormap
#define GLX_MESA_pixmap_colormap 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern GLXPixmap glXCreateGLXPixmapMESA (X11_Display *, XVisualInfo *, Pixmap, Colormap);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef GLXPixmap (* PFNGLXCREATEGLXPIXMAPMESAPROC) (X11_Display *dpy, XVisualInfo *visual, Pixmap pixmap, Colormap cmap);
#endif

#ifndef GLX_MESA_release_buffers
#define GLX_MESA_release_buffers 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern Bool glXReleaseBuffersMESA (X11_Display *, GLXDrawable);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef Bool (* PFNGLXRELEASEBUFFERSMESAPROC) (X11_Display *dpy, GLXDrawable drawable);
#endif

#ifndef GLX_MESA_set_3dfx_mode
#define GLX_MESA_set_3dfx_mode 1
#ifdef GLX_GLXEXT_PROTOTYPES
extern Bool glXSet3DfxModeMESA (int);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef Bool (* PFNGLXSET3DFXMODEMESAPROC) (int mode);
#endif

#ifndef GLX_SGIX_visual_select_group
#define GLX_SGIX_visual_select_group 1
#endif

#ifndef GLX_OML_swap_method
#define GLX_OML_swap_method 1
#endif

#ifndef GLX_OML_sync_control
#define GLX_OML_sync_control 1
#if defined(__STDC_VERSION__)
#if __STDC_VERSION__ >= 199901L
/* Include ISO C99 integer types for OML_sync_control; need a better test */
#include <inttypes.h>

#ifdef GLX_GLXEXT_PROTOTYPES
extern Bool glXGetSyncValuesOML (X11_Display *, GLXDrawable, int64_t *, int64_t *, int64_t *);
extern Bool glXGetMscRateOML (X11_Display *, GLXDrawable, int32_t *, int32_t *);
extern int64_t glXSwapBuffersMscOML (X11_Display *, GLXDrawable, int64_t, int64_t, int64_t);
extern Bool glXWaitForMscOML (X11_Display *, GLXDrawable, int64_t, int64_t, int64_t, int64_t *, int64_t *, int64_t *);
extern Bool glXWaitForSbcOML (X11_Display *, GLXDrawable, int64_t, int64_t *, int64_t *, int64_t *);
#endif /* GLX_GLXEXT_PROTOTYPES */
typedef Bool (* PFNGLXGETSYNCVALUESOMLPROC) (X11_Display *dpy, GLXDrawable drawable, int64_t *ust, int64_t *msc, int64_t *sbc);
typedef Bool (* PFNGLXGETMSCRATEOMLPROC) (X11_Display *dpy, GLXDrawable drawable, int32_t *numerator, int32_t *denominator);
typedef int64_t (* PFNGLXSWAPBUFFERSMSCOMLPROC) (X11_Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder);
typedef Bool (* PFNGLXWAITFORMSCOMLPROC) (X11_Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc);
typedef Bool (* PFNGLXWAITFORSBCOMLPROC) (X11_Display *dpy, GLXDrawable drawable, int64_t target_sbc, int64_t *ust, int64_t *msc, int64_t *sbc);
#endif

#endif /* C99 version test */
#endif /* STDC test */

#ifdef __cplusplus
}
#endif

#endif
